The effect of severe plastic deformation temperature on stainless steel structure and properties

A.A. Zakirova, E.I. Sadikova show affiliations and emails
Received 26 December 2012; Accepted 25 January 2013;
This paper is written in Russian
Citation: A.A. Zakirova, E.I. Sadikova. The effect of severe plastic deformation temperature on stainless steel structure and properties. Lett. Mater., 2012, 2(4) 235-239


Severe plastic deformation (SPD) by high pressure tor-sion (HPT) influence on structure and properties of 12-18 corrosion-resistant steel is investigated in this paper. SPD research take place at two temperatures: room temperature and 400 ºС.
There are deformation nonuniformity, intensive struc-ture refinement, ultra fine grain (UFG) structure and the strain-induced martensite formation are established after SPD at the both of HPT temperature.
The most intensive steel structure refinement was obtained at the deformation temperature 400 ºС, and largest microhardness - at the room deformation temperature.

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